ul, li {
    list-style: none;
}

ul {
    padding-left: 20px;
}

#tree {
    background-color: white;
    height: 100%;
    width: 100%;
    padding-top: 10px;
    line-height: 23px;
    white-space: nowrap;
    overflow-x: scroll;
}

.close {
    display: inline-block;
    width: 15px;
    height: 15px;
    background: url("../images/close.png") no-repeat center;
    background-size: contain;
}

.open {
    display: inline-block;
    width: 15px;
    height: 15px;
    background: url("../images/open.png") no-repeat center;
    background-size: contain;
}

.leaf {
    display: inline-block;
    height: 15px;
    width: 15px;
    background: url("../images/leaf.png") no-repeat center;
    background-size: contain;
}

.leafName {
    color: green;
    padding-left: 10px;
    padding-right: 10px;
    cursor: pointer;
    white-space: nowrap;
}

.openTrue {
    color: gray;
    cursor: pointer;
    white-space: nowrap;
}

.checkDiv {
    background-color: #00FFFF;
}